BDP-S2200 - Sony DVD Service Manual (repair manual). Page 39

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6-7
BDP-S2200
6-6. Remote does not operate
Check of +3.3V voltage at IC710 pin1? 
No
 (MB board) 
No
 To Power supply flow chart
      Yes
No
Check FFC disconnected from 
 CN701 or broken? 
      Yes
Check of appearance waveform during 
pressing remote control at IC710 pin2
No
      Yes
Check of +3.3V voltage at CN392 pin 1? 
Check of +3.3V voltage at CN701 pin 1? 
No
FFC 
NG
 
FFC 
NG
 
Check of appearance waveform during 
pressing remote control at CN392 
pin3 (MB board)
      Yes
      Yes
No
Replace IC710
If symptoms do not improve,
Check FFC disconnected from 
 CN701 or broken? 
No
      Yes
      Yes
Check pattern around IC710 
If symptom do not improve,
FR board 
NG
 
FR board 
NG
 
FR board 
NG
 
FR board 
NG
 
FR board 
NG
 
Replace MB board
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